This product can work directly on a gas flame or an electric or halogen hob without a diffuser, without any fear of cracking or breaking. Much lighter, (30%), than many types of comparable metal cookware products, this tajine is microwave and dishwasher-safe, cleans up very easily, is extremely strong and durable, goes under the broiler, and can go directly from a freezer or a refrigerator to a hot oven to the table, where it will retain the cooking heat for a very long time.